%% Copyright (c) 2017-2019, Loïc Hoguin <essen@ninenines.eu>
%%
%% Permission to use, copy, modify, and/or distribute this software for any
%% purpose with or without fee is hereby granted, provided that the above
%% copyright notice and this permission notice appear in all copies.
%%
%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

-module(gun_data_h).
-behavior(gun_content_handler).

-export([init/5]).
-export([handle/3]).

-record(state, {
	reply_to :: pid(),
	stream_ref :: reference()
}).

-spec init(pid(), reference(), _, _, _) -> {ok, #state{}}.
init(ReplyTo, StreamRef, _, _, _) ->
	{ok, #state{reply_to=ReplyTo, stream_ref=StreamRef}}.

-spec handle(fin | nofin, binary(), State) -> {done, 1, State} when State::#state{}.
handle(IsFin, Data, State=#state{reply_to=ReplyTo, stream_ref=StreamRef}) ->
	ReplyTo ! {gun_data, self(), StreamRef, IsFin, Data},
	{done, 1, State}.
